Men's Buff Top Onyx 10mm Ring, Sterling Silver Square, Buff-Top Cut Onyx Featured on the Flat-Top Band; Grooved Ring is Crafted in Polished Sterling Silver Ring Measurements: Top is 11.00 Millimeters Wide, Shoulder is 10.00 Millimeters Wide, Tapers to 3.65 Millimeters Under the Finger and 1.73 Millimeters Thick Top is .43 Inches Wide, Shoulder is .39 Inches Wide, Tapers to .14 Inches Under the Finger and .07 Inches Thick The Silver Used to Craft this is Earth Friendly; Made with Refined Karats System Certified by Scientific Certification Systems Made to Order Especially for You, Hand-Finished in Approx. 3 to 15 Business Days; Happily Made in the USA